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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Universal Heat Transfer Model in Porous Media

Yury V. Polezhaev
Department of Heat Transfer, Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow 127412, Russia

Eugene M. Seliverstov
Russian Academy of Sciences, Institute for High Temperatures (IVTRAN), 3/19 Izhorskaya str., 127412, Moscow, Russia

DOI: 10.1615/IHTC12.4810
6 pages

Abstract

Permeable porous media are widely occurring in nature and are frequently used in various apparatuses in the metallurgical, chemical, and electric-power industries. The heating and processing of bulk materials, the heating of charge in shaft furnaces, the processes of heat transfer in recuperators and heating furnaces, and modern high-intensity cooling systems employed in aviation-and space engineering and in radio electronics make rather an incomplete list of applications associated with heat and mass transfer in permeable porous media [1]. The theoretical description of these processes or the generalization of experimental data are usually based on a number of assumptions, of which the most important one is the introduction of one or several linear scales describing adequately the structure of a porous medium. It is the objective of this paper to critically analyze the problem of the choice of linear scale and assess the possibility of constructing a generalized model of hydrodynamics and heat transfer in permeable porous media within a deterministic approach.

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